JEE Main Physics question

Identify the correct statement for the rotational motion of a rigid body.

(A)Individual particles of the body do not undergo accelerated motion.
(B)The centre of mass of the body remains unchanged.
(C)The centre of mass of the body moves uniformly in a circular path.
(D)Individual particles and the centre of mass of the body undergo an accelerated motion.Correct

Answer: (D)

Solution

In rotational motion about a fixed axis, every particle (in general, including the centre of mass when it is not on the axis) moves on a circular path and therefore has a non-zero centripetal

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Question ID VK-158425